Phase Changes of Matter (Physical Science)

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Presentation transcript:

Phase Changes of Matter (Physical Science) Icy Hot Lab Phase Changes of Matter (Physical Science)

Pre Lab Discussion The arrangement of atoms in the three states of matter are drawn as particle diagrams. The 3 parts of particle diagrams represent 3 of our vocabulary words n (the number of particles)= mass (g) The box= volume (mL) Arrows (vectors)= temperature (C)

Solid Close together Motion= vibrate

Liquid Spread apart enough to slide Motion= flow in one direction

Vapor (gas) Very spread out Motion= chaotic, going everywhere

Purpose To determine the graphical relationship between time (min) and temperature (°C) for water. -What will happen to the temperature as the water is heated? Draw a prediction of how your graph will look, include labels and units. Prediction

Materials (designate jobs for each group member) Ice Beaker Thermometer probe (or alcohol thermometer) LabQuest (LoggerPro3 software) Ring stand Clamp Hot plate (or Bunsen burner) Stirring rod

(probably will need 2 pages) Data Create a data table that has enough rows to write 50 time trials and 3 columns (probably will need 2 pages) Time Trials (.5min intervals) Temperature (°C) Observations (changes seen) .5 1.0 1.5 (# all the way to 25min)

Conclusion questions Sketch the graph from Logger Pro, connect the dots. Heating Curve